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Journal AWWA - Advanced Oxidation Processes for Treating Groundwater Contaminated With TCE and PCE: Laboratory Studies AWWA期刊-处理TCE和PCE污染地下水的高级氧化工艺:实验室研究
发布日期: 1988-05-01
在实验室实验中,研究了不同剂量的臭氧或臭氧加过氧化氢对三氯乙烯(TCE)和四氯乙烯(PCE)的氧化作用。结果表明,过氧化氢加速了臭氧对TCE和PCE的氧化。过氧化物与臭氧的剂量比为>0。7(w/w),该过程似乎是传质受限的。地下水中高浓度的碳酸氢根离子显著降低了臭氧-过氧化氢系统去除TCE和PCE的效率,表明氧化前的软化可能会改善该过程。包括19个参考文献、表格和图表。
Oxidation of trichloroethylene (TCE) and tetrachloroethylene (PCE) with various dosages of ozone or ozone plus hydrogen peroxide was studied in laboratory experiments. The results show that hydrogen peroxide accelerates the oxidation of TCE and PCE by ozone. At peroxideto-ozone dosage ratios of >0.7 (w/w), the process appears to be mass transfer limited. High levels of bicarbonate ion in the groundwater significantly decreased the efficiency of TCE and PCE removal by the ozone-peroxide system, suggesting that softening prior to oxidation may improve the process. Includes 19 references, tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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